CN213185635U - Wireless charging device and system - Google Patents
Wireless charging device and system Download PDFInfo
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- CN213185635U CN213185635U CN202021834101.6U CN202021834101U CN213185635U CN 213185635 U CN213185635 U CN 213185635U CN 202021834101 U CN202021834101 U CN 202021834101U CN 213185635 U CN213185635 U CN 213185635U
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Abstract
The utility model provides a wireless charging device and system, the device include soft magnetic material, helical coil, shell and a plurality of first magnet, and a plurality of first magnet distribute in order to form first round annular magnetic component around helical coil along the annular, and the shell has and is used for adsorbing in the first surface by the charging part, and every first magnet has the same polarity towards one side of first surface. The annular distribution and the polarity arrangement of the first magnets enable a user to accurately and stably charge, the electromagnetic coupling energy transmission efficiency is high, the heat loss is low, and further the assembly production efficiency of the device is improved. The system also includes an expansion component disposed between the wireless charging device and the charged component. Further, when being sheltered from by external accessories or other non-metallic material by the part that charges, the extension part can strengthen by the adsorptivity between the part that charges and the wireless charging device, guarantees absorbent stability.
Description
Technical Field
The utility model relates to an energy transmission field particularly, relates to a wireless charging device and system.
Background
With the rise of intelligent products and the increase of functions, the intelligent products become necessities for high-frequency use in daily life, the use of wireless chargers is more and more common, and the types of the wireless chargers are more and more abundant along with the development of technologies. In the prior art, a wireless charging device is used for charging, but the prior art has defects.
For example, in the prior art, wireless charging device and by the inaccurate between the part that charges, the user need find accurate wireless charging device and by the corresponding spiral coil position between the part that charges when preparing to charge, just can carry out accurate efficient and charge, very inconvenient like this.
In addition, displacement is likely to occur during charging, which causes low energy transmission efficiency of electromagnetic coupling, high heat loss, and interruption of electromagnetic coupling due to vibration or external force. Thus, there is a need for a wireless charging device and system that can be charged stably and efficiently.
SUMMERY OF THE UTILITY MODEL
In order to overcome the deficiencies of the prior art, the utility model provides a wireless charging device and system, concrete technical scheme is as follows:
a wireless charging device comprising a soft magnetic material, a spiral coil, a case, and a plurality of first magnets, the spiral coil being disposed on the soft magnetic material, the spiral coil, and the plurality of first magnets being disposed inside the case; the first magnets are distributed around the spiral coil along a ring to form a first ring-shaped magnetic assembly, the housing has a first surface used for being attracted to a charged component, and one side of each first magnet facing the first surface has the same polarity.
In a specific embodiment, the housing has a second surface for attaching to a charged member, a side of each of the first magnets facing the second surface has the same polarity, and the first surface is disposed opposite to the second surface.
In a specific embodiment, the wireless charging device further includes a plurality of second magnets distributed in a ring around the spiral coil to form a second ring of annular magnetic assemblies, the second ring of annular magnetic assemblies is located inside or outside the first ring of annular magnetic assemblies, a side of each second magnet facing the first surface has the same polarity, and a side of each first magnet facing the first surface and a side of each second magnet facing the first surface have opposite polarities.
In a specific embodiment, the housing has a second surface for attaching to a charged member, a side of each of the second magnets facing the second surface has the same polarity, and the first surface is disposed opposite to the second surface.
In a specific embodiment, the first magnets and the second magnets are arranged in a staggered manner along a circumferential direction, the second magnet is arranged between two adjacent first magnets, and the first magnet is arranged between two adjacent second magnets.
In a specific embodiment, each of the first magnets and each of the second magnets are disposed opposite to each other in a circumferential direction.
A wireless charging system comprises the wireless charging device and further comprises an extension part, wherein the extension part comprises an extension magnet assembly, and the extension magnet assembly is arranged outside the shell.
In a particular embodiment, the extension magnet assembly comprises at least one ring of annular extension magnets distributed in a circumferential direction.
In a specific embodiment, the extension part further includes an upper cover plate covering an upper surface of the extension magnet assembly and a lower cover plate covering a lower surface of the extension magnet assembly.
In a specific embodiment, the expansion member further comprises an expansion member fixing housing, and the expansion magnet assembly is disposed in the expansion member fixing housing.
The utility model discloses following beneficial effect has at least:
according to the utility model provides a wireless charging device, including soft magnetic material, spiral coil, shell and a plurality of first magnet, spiral coil sets up on soft magnetic material, and soft magnetic material, spiral coil, a plurality of first magnet set up inside the shell; the plurality of first magnets are distributed in a ring shape around the spiral coil to form a first ring-shaped magnetic assembly, the housing has a first surface for being attracted to the charged member, and a side of each first magnet facing the first surface has the same polarity.
Therefore, the plurality of first magnets are distributed around the spiral coil along the annular shape to form the first ring of annular magnetic assemblies, so that a user can quickly and accurately align the corresponding spiral coil between the wireless charging device and the charged component through magnetic force adsorption when charging, relative displacement is reduced, and the probability of electromagnetic coupling interruption caused by vibration or external force is reduced.
One side of each first magnet, which faces the first surface, has the same polarity, so that accurate and stable energy transmission is realized, the energy transmission efficiency of electromagnetic coupling is improved, the heat loss in the transmission process is reduced, and the user experience is remarkably improved; furthermore, the post-magnetizing process is easier to realize, the assembly production efficiency of the wireless charging device is high, and the situation of defective products such as wrong polarity and the like is not easy to occur; furthermore, the wireless charging device can not only be arranged in a double-layer heteropolarity manner, but also be stacked in multiple layers, the product expansion space is large, the form is not limited, and richer product forms and applicable scenes can be realized.
According to the utility model provides a wireless charging system, including wireless charging device, still include the extension part, the extension part includes extension magnet subassembly, extension magnet subassembly sets up outside the shell; further, when being sheltered from by external accessories or other non-metallic material by the part that charges, strengthened by the adsorptivity between the part that charges and the wireless charging device, guaranteed absorptive stability.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a structural diagram of a wireless charging device in an embodiment;
FIG. 2 is a distribution diagram of a first ring annular magnetic assembly in an embodiment;
FIG. 3 is a structural view of a first magnet in the embodiment;
FIG. 4 is a schematic diagram of an embodiment in which first and second magnets are arranged alternately;
FIG. 5 is a structural view showing the arrangement of a first magnet and a second magnet facing each other in the embodiment;
FIG. 6 is a schematic structural diagram of an expansion part in the embodiment.
Description of the main element symbols:
11-soft magnetic material; 12-a helical coil; 14-a housing; 141-a first surface; 142-a second surface; 15-a first magnet; 16-a second magnet; 21-an extension magnet; 22-upper cover plate; 23-a lower cover plate; 24-the expansion element holds the housing.
Detailed Description
Examples
As shown in fig. 1, the present embodiment provides a wireless charging device including a soft magnetic material 11, a spiral coil 12, a case 14, and a plurality of first magnets 15, the spiral coil 12 being disposed on the soft magnetic material 11, the spiral coil 12, the plurality of first magnets 15 being disposed inside the case 14; the soft magnetic material 11 includes silicon steel, ferrite, nanocrystal, amorphous, and the like, and the soft magnetic material 11 serves to guide a magnetic flux.
As shown in fig. 2 and 3, in order to enable a user to quickly and accurately align the corresponding spiral coil 12 between the wireless charging device and a charged component (the charged component may be a mobile phone) by magnetic attraction when charging, so as to reduce relative displacement, reduce the probability of electromagnetic coupling interruption caused by vibration or external force, further achieve accurate and stable energy transmission, improve the energy transmission efficiency of electromagnetic coupling, reduce the heat loss during transmission, and improve the user experience; make back magnetization technology realize more easily, make this wireless charging device equipment production efficiency high, and be difficult to the condition of the defective products such as wrong dress polarity, further make this wireless charging device can not only do double-deck heteropolarity and arrange, can also accomplish the multilayer stack, make product expansion space big, the form is not restricted, can realize abundanter product form and application scenario, in this embodiment, a plurality of first magnet 15 distribute along the annular around spiral coil 12 in order to form first round annular magnetic component, shell 14 has the first surface 141 that is used for adsorbing by the charging part, every first magnet 15 has the same polarity towards one side of first surface 141.
It should be noted that the number of the first magnets 15 can be designed according to the requirement thereof, and can be designed to be small in number and relatively dispersed (refer to fig. 2), or designed to be closely arranged (refer to fig. 3), generally, the more the number of the first magnets 15 is, the better the magnetic attraction fixing effect is; the annular magnetic assembly formed by the first magnet 15 and the second magnet 16 may be placed inside the spiral coil 12 to surround, or may be surrounded outside the spiral coil 12, and this embodiment is described by taking the example that the annular magnetic attraction assembly surrounds outside the spiral coil 12.
In this embodiment, the housing 14 has a second surface 142 for being attracted to the charged member, the side of each first magnet 15 facing the second surface 142 has the same polarity, and the first surface 141 is disposed opposite to the second surface 142.
In this embodiment, in order to expand the space of the product, enhance the attraction of the magnetic assembly, and achieve richer product forms and application scenarios, as shown in fig. 4, the wireless charging device further includes a plurality of second magnets 16, the plurality of second magnets 16 are distributed around the spiral coil 12 along a ring to form a second ring of annular magnetic assemblies, the second ring of annular magnetic assemblies is located inside or outside the first ring of annular magnetic assemblies, one side of each second magnet 16 facing the first surface 141 has the same polarity, and one sides of the first magnet 15 and the second magnet 16 facing the first surface 141 have opposite polarities.
Preferably, as shown in fig. 1-6, the second ring of annular magnetic assemblies are located outside the first ring of annular magnetic assemblies.
In this embodiment, the housing 14 has a second surface 142 for attaching to the charged member, the side of each second magnet 16 facing the second surface 142 has the same polarity, and the first surface 141 is disposed opposite to the second surface 142.
In this embodiment, as shown in fig. 4, the first magnets 15 and the second magnets 16 are arranged alternately in the circumferential direction, the second magnets 16 are arranged between two adjacent first magnets 15, and the first magnets 15 are arranged between two adjacent second magnets 16.
The first magnets 15 and the second magnets 16 are arranged in a staggered manner along the circumferential direction, so that when the first ring of annular magnetic assemblies are assembled, each first magnet 15 is adsorbed by every two second magnets 16, and the mutual exclusion phenomenon caused by the same polarity can be avoided; similarly, when the second ring of annular magnetic components is assembled, each second magnet 16 can avoid the mutual exclusion phenomenon generated due to the same polarity through the adsorption with every two first magnets 15, the stability of the first ring of annular magnetic components and the second ring of annular magnetic components during the assembly is enhanced, the wireless charging device can adapt to the different polarities of the charged components, and the adsorption stability is ensured.
In the present embodiment, as shown in fig. 5, in order to make the wireless charging device capable of adapting to different polarities of the charged members and ensure the stability of the attraction, each first magnet 15 and each second magnet 16 are arranged to face each other in the circumferential direction.
As shown in fig. 6, when the charged component is shielded by an external accessory or other non-metallic materials, in order to enhance the adsorbability between the charged component and the wireless charging device and ensure the stability of the adsorbability, in the embodiment, the wireless charging system includes the wireless charging device and further includes an extension component, the extension component includes an extension magnet assembly, and the extension magnet assembly is disposed outside the housing 14.
It should be noted that, the extension magnet assembly is arranged between the charged component and the wireless charging device to ensure that the charged component can be stably attached to the wireless charging device.
In this embodiment, in order to enhance the adsorption force of the extension magnet 21 and realize richer product forms and application scenarios, the extension magnet assembly includes at least one ring of annular extension magnet 21, and the annular extension magnet 21 is distributed along the circumferential direction.
In order to reinforce the structure of the extension magnet 21 and prevent the extension magnet 21 from being damaged and broken, in the embodiment, the extension member further includes an upper cover plate 22 and a lower cover plate 23, the upper cover plate 22 covers the upper surface of the extension magnet assembly, and the lower cover plate 23 covers the lower surface of the extension magnet assembly.
In this embodiment, the expansion member further includes an expansion member fixing housing 24, and the expansion magnet assembly is disposed in the expansion member fixing housing 24.
Preferably, the expansion member fixing housing 24 includes an annular groove configured to allow the expansion magnet assembly to be more stably mounted within the expansion member fixing housing 24.
Compared with the prior art, a plurality of first magnets are distributed around the spiral coil along the annular to form a first ring of annular magnetic assemblies, so that a user can quickly and accurately align the corresponding spiral coil between the wireless charging device and the charged component through magnetic force adsorption when charging, relative displacement is reduced, and the probability of electromagnetic coupling interruption caused by vibration or external force and the like is reduced.
Preferably, one side of each first magnet facing the first surface has the same polarity, so that accurate and stable energy transmission is realized, the energy transmission efficiency of electromagnetic coupling is improved, the heat loss in the transmission process is reduced, and the user experience is remarkably improved; furthermore, the post-magnetizing process is easier to realize, the assembly production efficiency of the wireless charging device is high, and the situation of defective products such as wrong polarity and the like is not easy to occur; furthermore, the wireless charging device can not only be arranged in a double-layer heteropolarity manner, but also be stacked in multiple layers, the product expansion space is large, the form is not limited, and richer product forms and applicable scenes can be realized.
Preferably, extension magnet assembly sets up outside the shell (by between charging component and the wireless charging device), and further, when by the charging component by external accessories or other non-metallic material shelters from, has strengthened by the adsorptivity between charging component and the wireless charging device, has guaranteed absorptive stability.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Those skilled in the art will appreciate that the drawings are merely schematic representations of one preferred implementation scenario and that the blocks or flow diagrams in the drawings are not necessarily required to practice the present invention.
Those skilled in the art will appreciate that the modules in the devices in the implementation scenario may be distributed in the devices in the implementation scenario according to the description of the implementation scenario, or may be located in one or more devices different from the present implementation scenario with corresponding changes. The modules of the implementation scenario may be combined into one module, or may be further split into a plurality of sub-modules.
The sequence numbers of the present invention are only for description, and do not represent the advantages and disadvantages of the implementation scenario.
The above disclosure is only a few specific implementation scenarios of the present invention, however, the present invention is not limited thereto, and any changes that can be considered by those skilled in the art shall fall within the protection scope of the present invention.
Claims (10)
1. A wireless charging apparatus comprising a soft magnetic material, a spiral coil, a case, and a plurality of first magnets, the spiral coil being disposed on the soft magnetic material, the spiral coil, and the plurality of first magnets being disposed inside the case;
the first magnets are distributed around the spiral coil along a ring to form a first ring-shaped magnetic assembly, the housing has a first surface used for being attracted to a charged component, and one side of each first magnet facing the first surface has the same polarity.
2. The wireless charging device of claim 1, wherein: the housing has a second surface for attracting a charged member, a side of each of the first magnets facing the second surface has the same polarity, and the first surface is disposed opposite to the second surface.
3. The wireless charging device of claim 1, wherein: the first ring-shaped magnetic assembly is positioned on the inner side or the outer side of the first ring-shaped magnetic assembly, and one side of each first magnet facing the first surface is provided with the same polarity;
the first magnet and the second magnet have opposite polarities on sides facing the first surface.
4. The wireless charging device of claim 3, wherein: the housing has a second surface for attracting a charged member, a side of each of the second magnets facing the second surface has the same polarity, and the first surface is disposed opposite to the second surface.
5. The wireless charging device of claim 3, wherein: the first magnets and the second magnets are arranged in a staggered mode along the circumferential direction, the second magnets are arranged between every two adjacent first magnets, and the first magnets are arranged between every two adjacent second magnets.
6. The wireless charging device of claim 3, wherein: each of the first magnets and each of the second magnets are arranged to be opposed to each other in a circumferential direction.
7. A wireless charging system comprising the wireless charging apparatus of any one of claims 1-6, wherein: also included is an extension component including an extension magnet assembly disposed outside the housing.
8. The wireless charging system of claim 7, wherein: the extension magnet assembly comprises at least one ring of annular extension magnets which are distributed along the circumferential direction.
9. The wireless charging system of claim 7, wherein: the extension component further comprises an upper cover plate and a lower cover plate, the upper cover plate covers the upper surface of the extension magnet assembly, and the lower cover plate covers the lower surface of the extension magnet assembly.
10. The wireless charging system of claim 7, wherein: the expansion part further comprises an expansion part fixing shell, and the expansion magnet assembly is arranged in the expansion part fixing shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021834101.6U CN213185635U (en) | 2020-08-26 | 2020-08-26 | Wireless charging device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021834101.6U CN213185635U (en) | 2020-08-26 | 2020-08-26 | Wireless charging device and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213185635U true CN213185635U (en) | 2021-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021834101.6U Active CN213185635U (en) | 2020-08-26 | 2020-08-26 | Wireless charging device and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213185635U (en) |
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2020
- 2020-08-26 CN CN202021834101.6U patent/CN213185635U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220221 Address after: 518000 2nd floor, building B, Beisi intelligent park, 2008 Xuegang Road, Gangtou community, Bantian street, Longgang District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Beisi Technology Co.,Ltd. Address before: 518000 5th floor, building B, Beisi intelligent park, 2008 Xuegang Road, Gangtou community, Bantian street, Longgang District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN TIMES INNOVATION TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |